1530251299 has 2 divisors, whose sum is σ = 1530251300. Its totient is φ = 1530251298.

The previous prime is 1530251297. The next prime is 1530251347. The reversal of 1530251299 is 9921520351.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1530251299 - 2¹ = 1530251297 is a prime.

Together with 1530251297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1530251297) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 765125649 + 765125650.

It is an arithmetic number, because the mean of its divisors is an integer number (765125650).

Almost surely, 2^1530251299 is an apocalyptic number.

1530251299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1530251299 is an equidigital number, since it uses as much as digits as its factorization.

1530251299 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 37.

The square root of 1530251299 is about 39118.4265915693. The cubic root of 1530251299 is about 1152.3584363493.

The spelling of 1530251299 in words is "one billion, five hundred thirty million, two hundred fifty-one thousand, two hundred ninety-nine".